Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method performed by a base station (BS) in a wireless communication system, the method comprising: receiving a single reference signal via a first resource block and a second resource block from a user equipment (UE); wherein the single reference signal is generated, by the UE, based on a total number of subcarriers in the first resource block and the second resource block, wherein a number of subcarriers for the single reference signal is equal to the total number of subcarriers in the first resource block and the second resource block, wherein the first resource block and the second resource block are not consecutive with each other in a frequency domain, wherein subcarriers within the first resource block are consecutive, and wherein subcarriers within the second resource block are consecutive.
2. The method of claim 1 , further comprising transmitting an uplink grant allocating the first resource block and the second resource block for a physical uplink shared channel (PUSCH) transmission to the UE.
This invention relates to wireless communication systems, specifically methods for resource allocation in uplink transmissions. The problem addressed is efficient and flexible allocation of uplink resources to user equipment (UE) in a wireless network, particularly for physical uplink shared channel (PUSCH) transmissions. The method involves allocating a first resource block and a second resource block for uplink transmission. The first resource block is assigned based on a first set of criteria, such as channel quality or interference conditions, while the second resource block is assigned based on a second set of criteria, which may differ from the first. This dual-allocation approach allows for optimized use of available spectrum, improving transmission reliability and throughput. Additionally, the method includes transmitting an uplink grant to the UE, specifying the allocation of the first and second resource blocks for PUSCH transmission. This grant ensures the UE knows which resources to use, enabling coordinated and interference-minimized communication. The method may also involve monitoring the allocated resource blocks to assess performance and adjust allocations dynamically. By separating the allocation criteria for different resource blocks, the invention enables more granular control over uplink transmissions, adapting to varying network conditions and UE capabilities. This improves overall system efficiency and user experience in wireless networks.
3. The method of claim 1 , further comprising demodulating a PUSCH by using the single reference signal.
A method for wireless communication involves using a single reference signal to demodulate a Physical Uplink Shared Channel (PUSCH). The technique addresses the challenge of efficiently demodulating uplink data transmissions in wireless systems, particularly in scenarios where multiple reference signals would increase overhead and complexity. The method leverages a single reference signal to extract modulation and coding information from the PUSCH, reducing resource usage while maintaining reliable data recovery. This approach is particularly useful in systems where minimizing reference signal overhead is critical, such as in high-density networks or low-latency applications. The single reference signal is designed to provide sufficient channel state information for accurate demodulation without requiring additional signals. The method may also include generating the reference signal based on predefined sequences or configurations, ensuring compatibility with existing wireless standards. By using a single reference signal, the technique simplifies the demodulation process and improves spectral efficiency, making it suitable for advanced wireless communication systems.
4. The method of claim 1 , wherein one resource block includes 12 consecutive subcarriers.
A method for wireless communication involves allocating resource blocks in a frequency domain to transmit data. The method addresses the challenge of efficiently utilizing available bandwidth while minimizing interference and ensuring reliable data transmission. Each resource block is defined by a set of subcarriers, which are narrow frequency bands used to carry data symbols. The method specifies that one resource block includes 12 consecutive subcarriers, allowing for a balanced trade-off between spectral efficiency and complexity in modulation and demodulation processes. This configuration supports orthogonal frequency-division multiplexing (OFDM) or similar multicarrier modulation schemes, where data is transmitted in parallel across multiple subcarriers to improve robustness against multipath fading. The method may also include techniques for mapping data symbols to the subcarriers, applying error correction coding, and managing interference between adjacent resource blocks. By defining the resource block size as 12 subcarriers, the method ensures compatibility with existing wireless standards while optimizing performance for high-speed data transmission in cellular, Wi-Fi, or other wireless communication systems. The approach may further incorporate dynamic resource allocation, adaptive modulation, and power control to enhance spectral efficiency and reliability.
5. The method of claim 1 , wherein the single reference signal is mapped to a fourth single carrier frequency division multiple access (SC-FDMA) symbol in each slot in a subframe, the subframe including 2 slots and each slot including 7 SC-FDMA symbols.
This invention relates to wireless communication systems, specifically to techniques for transmitting reference signals in single-carrier frequency-division multiple access (SC-FDMA) systems. The problem addressed is the efficient allocation of reference signals within a subframe to improve channel estimation and signal quality in uplink transmissions. The method involves mapping a single reference signal to a specific SC-FDMA symbol within each slot of a subframe. The subframe consists of two slots, and each slot contains seven SC-FDMA symbols. The reference signal is mapped to the fourth SC-FDMA symbol in each slot. This placement ensures that the reference signal is positioned at a consistent location within the subframe, facilitating reliable channel estimation by the receiver. The method may be part of a broader technique for transmitting data and control information in SC-FDMA-based systems, such as those used in 3GPP LTE or similar wireless standards. The consistent mapping of the reference signal helps maintain synchronization and improves the accuracy of channel state information, which is critical for adaptive modulation and power control. This approach optimizes resource utilization while ensuring robust performance in varying channel conditions.
6. The method of claim 1 , wherein the single reference signal is mapped to a third SC-FDMA symbol in each slot in a subframe, the subframe including 2 slots and each slot including 6 SC-FDMA symbols.
This invention relates to wireless communication systems, specifically to the transmission of reference signals in Single-Carrier Frequency-Division Multiple Access (SC-FDMA) systems. The problem addressed is the efficient mapping of reference signals to improve channel estimation and signal quality in uplink transmissions. The method involves transmitting a single reference signal within a subframe structure. The subframe consists of two slots, each containing six SC-FDMA symbols. The reference signal is mapped to the third SC-FDMA symbol in each slot. This placement ensures that the reference signal is positioned in a way that optimizes channel estimation accuracy while minimizing interference with data symbols. By using a single reference signal per subframe, the method reduces overhead compared to systems that transmit multiple reference signals, improving spectral efficiency. The reference signal's fixed position within each slot allows receiving devices to reliably detect and decode the signal, enhancing overall communication performance. The technique is particularly useful in LTE and 5G NR uplink communications where efficient resource allocation is critical.
7. The method of claim 1 , further comprising receiving uplink data, which is mapped to the first resource block and the second resource block, from the UE.
A method for wireless communication involves managing resource allocation in a network to improve data transmission efficiency. The method addresses the challenge of optimizing resource utilization in wireless networks where multiple resource blocks are assigned to a user equipment (UE) for uplink data transmission. The method includes assigning a first resource block and a second resource block to the UE, where the first resource block is associated with a first transmission mode and the second resource block is associated with a second transmission mode. The first and second transmission modes may differ in parameters such as modulation schemes, coding rates, or transmission power levels. The method further involves receiving uplink data from the UE, where the data is mapped across both the first and second resource blocks. This allows the UE to transmit data using different transmission modes simultaneously, enhancing flexibility and efficiency in resource allocation. The method may also include dynamically adjusting the assignment of resource blocks based on network conditions or UE requirements to further optimize performance. This approach helps balance load distribution and improve overall network throughput.
8. A base station (BS) in a wireless communication system, the BS comprising: a reception unit; and a processor, coupled to the reception unit, that: controls the reception unit to receive a single reference signal via a first resource block and a second resource block from a user equipment (UE); wherein the single reference signal is generated, by the UE, based on a total number of subcarriers in the first resource block and the second resource block, wherein a number of subcarriers for the single reference signal is equal to the total number of subcarriers in the first resource block and the second resource block, wherein the first resource block and the second resource block are not consecutive with each other in a frequency domain, wherein subcarriers within the first resource block are consecutive, and wherein subcarriers within the second resource block are consecutive.
In wireless communication systems, efficient reference signal transmission is critical for channel estimation and synchronization. A base station (BS) receives a single reference signal from a user equipment (UE) across non-consecutive resource blocks in the frequency domain. The reference signal is generated by the UE based on the total number of subcarriers in both resource blocks, with the reference signal's subcarrier count matching the combined subcarriers of the first and second resource blocks. The first and second resource blocks are non-consecutive in frequency but contain consecutive subcarriers within each block. This approach allows for flexible resource allocation while maintaining signal integrity. The BS processes the received reference signal to perform channel estimation or other necessary operations. The method improves spectral efficiency by utilizing non-contiguous resource blocks for reference signal transmission, reducing interference and optimizing resource usage in dense wireless networks.
9. The method of claim 8 , wherein the processor further transmits an uplink grant allocating the first resource block and the second resource block for a physical uplink shared channel (PUSCH) transmission to the UE.
This invention relates to wireless communication systems, specifically methods for resource allocation in uplink transmissions. The problem addressed is efficient and flexible allocation of uplink resources to user equipment (UE) to optimize data transmission while minimizing interference and resource waste. The method involves a processor in a base station or network node that dynamically allocates resource blocks for uplink transmissions. The processor identifies a first resource block and a second resource block in a shared uplink channel, such as the Physical Uplink Shared Channel (PUSCH). The processor then transmits an uplink grant to the UE, specifying the allocation of these resource blocks for the UE's PUSCH transmission. This grant ensures the UE knows which specific resource blocks are assigned for its data transmission, allowing coordinated and interference-free communication. The method may also include determining the size or location of the resource blocks based on factors like UE requirements, network load, or channel conditions. The processor may further adjust the allocation dynamically to adapt to changing conditions, ensuring efficient use of available resources. The invention aims to improve uplink transmission efficiency, reduce latency, and enhance overall network performance by providing precise and adaptive resource allocation.
10. The method of claim 8 , wherein the processor further demodulates a PUSCH by using the single reference signal.
This invention relates to wireless communication systems, specifically improving signal demodulation in uplink transmissions. The problem addressed is the need for efficient and accurate demodulation of uplink shared channel (PUSCH) signals using reference signals. Traditional methods often rely on multiple reference signals, which can increase overhead and complexity. The invention provides a method where a processor demodulates a physical uplink shared channel (PUSCH) using a single reference signal. This approach reduces the number of required reference signals, minimizing overhead while maintaining demodulation accuracy. The single reference signal is designed to carry sufficient information for reliable demodulation, ensuring robust performance in varying channel conditions. The method may involve preprocessing the reference signal to extract necessary phase and amplitude information before applying it to the PUSCH demodulation process. This technique is particularly useful in 5G and beyond networks where efficient resource utilization is critical. By leveraging a single reference signal, the invention simplifies the demodulation process, reduces signaling overhead, and improves overall system efficiency. The solution is applicable in both frequency-division duplex (FDD) and time-division duplex (TDD) systems, enhancing flexibility and compatibility across different network configurations.
11. The method of claim 8 , wherein one resource block includes 12 consecutive subcarriers.
A method for wireless communication involves allocating resource blocks in a frequency domain to transmit data. Each resource block contains a set of subcarriers, which are narrow frequency bands used to carry data symbols. The method addresses the challenge of efficiently organizing subcarriers to optimize data transmission in wireless systems, such as cellular networks or Wi-Fi. By defining a resource block as a group of 12 consecutive subcarriers, the method ensures a standardized and scalable approach to resource allocation. This structure simplifies scheduling and reduces overhead in managing frequency resources. The method may also include techniques for mapping data symbols to these subcarriers, ensuring reliable transmission while minimizing interference. The use of consecutive subcarriers within a block helps maintain coherence in signal processing, improving overall system performance. This approach is particularly useful in orthogonal frequency-division multiplexing (OFDM) systems, where subcarriers are spaced at precise intervals to prevent overlap and interference. The method may further integrate with other wireless communication protocols to enhance data throughput and spectral efficiency. By standardizing the size of resource blocks, the method supports interoperability between different devices and network configurations.
12. The method of claim 8 , wherein the single reference signal is mapped to a fourth single carrier frequency division multiple access (SC-FDMA) symbol in each slot in a subframe, the subframe including 2 slots and each slot including 7 SC-FDMA symbols.
This invention relates to wireless communication systems, specifically to the transmission of reference signals in Single Carrier Frequency Division Multiple Access (SC-FDMA) systems. The problem addressed is the efficient mapping of reference signals within a subframe structure to improve channel estimation and signal quality. The method involves transmitting a single reference signal mapped to a specific SC-FDMA symbol within each slot of a subframe. The subframe consists of two slots, each containing seven SC-FDMA symbols. The reference signal is mapped to the fourth SC-FDMA symbol in each slot. This placement ensures consistent and predictable reference signal positioning, aiding in accurate channel estimation and synchronization. The method may be part of a broader technique for managing reference signal transmission in uplink or downlink communications, where the reference signal is used to assess channel conditions and adjust transmission parameters accordingly. The approach optimizes resource allocation by dedicating a fixed symbol position for reference signals, reducing overhead while maintaining reliable channel tracking. This technique is particularly useful in systems where precise timing and frequency synchronization are critical, such as in mobile communications or IoT applications.
13. The method of claim 8 , wherein the single reference signal is mapped to a third SC-FDMA symbol in each slot in a subframe, the subframe including 2 slots and each slot including 6 SC-FDMA symbols.
This invention relates to wireless communication systems, specifically to the transmission of reference signals in Single-Carrier Frequency-Division Multiple Access (SC-FDMA) systems. The problem addressed is the efficient mapping of reference signals to improve channel estimation and signal quality in uplink transmissions. The method involves transmitting a single reference signal within each slot of a subframe, where each subframe consists of two slots and each slot contains six SC-FDMA symbols. The reference signal is specifically mapped to the third SC-FDMA symbol in each slot. This positioning ensures that the reference signal is placed in a consistent location within the subframe, allowing for reliable channel estimation and demodulation. The method may be used in conjunction with other techniques, such as precoding or power control, to further enhance transmission performance. By optimizing the placement of the reference signal, the invention improves the accuracy of channel estimation and reduces interference, leading to better overall system performance.
14. The method of claim 8 , wherein the processor further controls the reception unit to receive uplink data, which is mapped to the first resource block and the second resource block, from the UE.
This invention relates to wireless communication systems, specifically methods for managing resource allocation in uplink transmissions from user equipment (UE) to a base station. The problem addressed is efficient utilization of radio resources while ensuring reliable data transmission in scenarios where multiple resource blocks are assigned to a single UE. The method involves a processor controlling a reception unit to receive uplink data from the UE, where the data is mapped across both a first and a second resource block. The first resource block is assigned based on a first scheduling grant, while the second resource block is assigned based on a second scheduling grant. The processor determines the mapping of the uplink data to these resource blocks, ensuring proper alignment and transmission. The method also includes transmitting a first scheduling grant to the UE, specifying the first resource block, and transmitting a second scheduling grant to the UE, specifying the second resource block. The UE then transmits the uplink data using both resource blocks, allowing for increased data throughput or redundancy. This approach enables flexible resource allocation, improving spectral efficiency and reliability in wireless communications. The method is particularly useful in scenarios requiring dynamic resource management, such as in 5G or other advanced wireless networks.
15. A method performed by a user equipment (UE) in a wireless communication system, the method comprising: generating a single reference signal based on a total number of subcarriers in a first resource block and a second resource block; and transmitting the single reference signal via the first resource block and the second resource block to a base station (BS), wherein a number of subcarriers for the single reference signal is equal to the total number of subcarriers in the first resource block and the second resource block, wherein the first resource block and the second resource block are not consecutive with each other in a frequency domain, wherein subcarriers within the first resource block are consecutive, and wherein subcarriers within the second resource block are consecutive.
In wireless communication systems, efficient reference signal transmission is crucial for channel estimation and synchronization. A method for user equipment (UE) involves generating a single reference signal that spans multiple non-consecutive resource blocks in the frequency domain. The reference signal is based on the total number of subcarriers across a first and second resource block, where each resource block contains consecutive subcarriers. The UE transmits this single reference signal across both resource blocks, ensuring the number of subcarriers in the reference signal matches the combined subcarriers of the two blocks. This approach allows for improved channel estimation and resource utilization by leveraging non-consecutive resource blocks, which can be beneficial in scenarios where contiguous frequency allocation is unavailable or inefficient. The method ensures that the reference signal maintains coherence across the distributed resource blocks, enhancing reliability and performance in wireless communications.
16. The method of claim 15 , further comprising receiving an uplink grant allocating the first resource block and the second resource block for a physical uplink shared channel (PUSCH) transmission from the BS.
This invention relates to wireless communication systems, specifically methods for managing uplink transmissions in a cellular network. The problem addressed is efficient resource allocation for uplink data transmission from a user device to a base station (BS) in scenarios where multiple resource blocks are needed. The method involves a user device receiving an uplink grant from the base station. This grant allocates two distinct resource blocks for a physical uplink shared channel (PUSCH) transmission. The first resource block is used for transmitting data, while the second resource block is reserved for transmitting control information, such as hybrid automatic repeat request (HARQ) feedback or channel state information (CSI). The allocation ensures that both data and control information are transmitted without interference, improving reliability and throughput. The method also includes determining the modulation and coding scheme (MCS) for the data transmission based on channel conditions and the user device's capabilities. The base station monitors the uplink transmission to detect any errors and may request retransmission if necessary. This approach optimizes spectrum usage and reduces latency in wireless communications.
17. The method of claim 15 , wherein one resource block includes 12 consecutive subcarriers.
A method for wireless communication involves allocating resource blocks in a frequency domain to transmit data between a base station and a user device. The method addresses the challenge of efficiently utilizing available bandwidth while minimizing interference and ensuring reliable data transmission. Each resource block is defined by a set of subcarriers, and the method includes assigning one or more resource blocks to a user device based on its communication requirements. The resource block allocation is dynamically adjusted to optimize performance, such as improving data rates or reducing latency. In one implementation, a single resource block consists of 12 consecutive subcarriers, allowing for precise frequency allocation and efficient spectrum utilization. The method may also include techniques for managing interference between adjacent resource blocks and ensuring proper synchronization between the base station and user device. By dynamically allocating resource blocks, the method adapts to varying channel conditions and user demands, enhancing overall system efficiency. The method is applicable in wireless communication systems, including cellular networks and other radio access technologies.
18. The method of claim 15 , wherein the single reference signal is mapped to a fourth single carrier frequency division multiple access (SC-FDMA) symbol in each slot in a subframe, the subframe including 2 slots and each slot including 7 SC-FDMA symbols.
This invention relates to wireless communication systems, specifically improving reference signal transmission in single-carrier frequency division multiple access (SC-FDMA) systems. The problem addressed is efficient reference signal mapping to enhance channel estimation and demodulation performance while maintaining low complexity. The method involves transmitting a single reference signal within a subframe structure. Each subframe consists of two slots, and each slot contains seven SC-FDMA symbols. The reference signal is mapped to the fourth SC-FDMA symbol in every slot. This placement ensures consistent and reliable channel estimation across the subframe, as the reference signal is periodically inserted at a fixed position. The method may be part of a broader technique for uplink transmission in wireless communication systems, where reference signals are used to support coherent demodulation of data symbols. By fixing the reference signal position, the system can simplify receiver processing while maintaining accurate channel tracking. This approach is particularly useful in SC-FDMA-based systems, such as those used in LTE uplink communications, where reference signals must be efficiently multiplexed with data symbols.
19. The method of claim 15 , wherein the single reference signal is mapped to a third SC-FDMA symbol in each slot in a subframe, the subframe including 2 slots and each slot including 6 SC-FDMA symbols.
This invention relates to wireless communication systems, specifically to the transmission of reference signals in Single-Carrier Frequency-Division Multiple Access (SC-FDMA) systems. The problem addressed is the efficient allocation of reference signals to ensure reliable channel estimation while minimizing overhead in uplink transmissions. The method involves mapping a single reference signal to a specific SC-FDMA symbol within each slot of a subframe. The subframe consists of two slots, and each slot contains six SC-FDMA symbols. The reference signal is mapped to the third SC-FDMA symbol in each slot. This placement ensures that the reference signal is positioned in a way that balances overhead and performance, allowing for accurate channel estimation while maintaining efficient data transmission. The method may be used in conjunction with other techniques, such as demodulation reference signal (DMRS) mapping, to further optimize uplink communications. The approach is particularly useful in systems where minimizing reference signal overhead is critical, such as in high-speed or high-density wireless networks.
20. The method of claim 15 , further comprising transmitting uplink data via the first resource block and the second resource block to the BS.
A method for wireless communication involves allocating and utilizing multiple resource blocks for data transmission in a wireless network. The method addresses the challenge of efficiently managing radio resources to improve data transmission reliability and throughput in wireless communication systems. Initially, a first resource block is allocated for uplink data transmission from a user device to a base station (BS). Additionally, a second resource block is allocated for the same uplink transmission, providing redundancy or additional capacity. The method further includes transmitting uplink data via both the first and second resource blocks to the BS. This dual-resource transmission can enhance signal robustness, reduce transmission errors, and improve overall communication performance. The method may also involve coordinating the allocation and use of these resource blocks to optimize network efficiency and minimize interference. By leveraging multiple resource blocks, the technique aims to address issues such as signal fading, interference, and limited bandwidth in wireless networks. The approach is particularly useful in scenarios requiring high reliability or high data rates, such as in 5G and beyond networks.
Unknown
August 20, 2019
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